<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
    <meta name="description" content="Adjust hue, saturation, and brightness of the sky/atmosphere.">
    <meta name="cesium-sandcastle-labels" content="Showcases">
    <title>Cesium Demo</title>
    <script type="text/javascript" src="../Sandcastle-header.js"></script>
    <script type="text/javascript" src="../../../Build/CesiumUnminified/Cesium.js" nomodule></script>
    <script type="module" src="../load-cesium-es6.js"></script>
</head>
<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
<style>
    @import url(../templates/bucket.css);
    #toolbar {
        background: rgba(42, 42, 42, 0.8);
        padding: 4px;
        border-radius: 4px;
    }
    #toolbar input {
        vertical-align: middle;
        padding-top: 2px;
        padding-bottom: 2px;
    }
</style>
<div id="cesiumContainer" class="fullSize"></div>
<div id="loadingOverlay"><h1>Loading...</h1></div>
<div id="toolbar">
<table>
    <tbody><tr>
        <td>hueShift</td>
        <td>
            <input type="range" min="-1" max="1" step="0.01" data-bind="value: hueShift, valueUpdate: 'input'">
            <input type="text" size="5" data-bind="value: hueShift">
        </td>
    </tr>
    <tr>
        <td>saturationShift</td>
        <td>
            <input type="range" min="-1" max="1" step="0.01" data-bind="value: saturationShift, valueUpdate: 'input'">
            <input type="text" size="5" data-bind="value: saturationShift">
        </td>
    </tr>
    <tr>
        <td>brightnessShift</td>
        <td>
            <input type="range" min="-1" max="1" step="0.01" data-bind="value: brightnessShift, valueUpdate: 'input'">
            <input type="text" size="5" data-bind="value: brightnessShift">
        </td>
    </tr>
</tbody></table>
</div>
<script id="cesium_sandcastle_script">
function startup(Cesium) {
    'use strict';
//Sandcastle_Begin
var viewer = new Cesium.Viewer('cesiumContainer', {
    sceneModePicker:false
});
var scene = viewer.scene;
var skyAtmosphere = scene.skyAtmosphere;
var globe = scene.globe;

// The viewModel tracks the state of our mini application.
var viewModel = {
    hueShift: 0.0,
    saturationShift: 0.0,
    brightnessShift: 0.0
};
// Convert the viewModel members into knockout observables.
Cesium.knockout.track(viewModel);

// Bind the viewModel to the DOM elements of the UI that call for it.
var toolbar = document.getElementById('toolbar');
Cesium.knockout.applyBindings(viewModel, toolbar);

// Make the skyAtmosphere's HSB parameters subscribers of the viewModel.
function subscribeParameter(name, globeName) {
    Cesium.knockout.getObservable(viewModel, name).subscribe(
        function(newValue) {
            skyAtmosphere[name] = newValue;
            globe[globeName] = newValue;
        }
    );
}

subscribeParameter('hueShift', 'atmosphereHueShift');
subscribeParameter('saturationShift', 'atmosphereSaturationShift');
subscribeParameter('brightnessShift', 'atmosphereBrightnessShift');

Sandcastle.addToggleButton('Lighting', globe.enableLighting, function(checked) {
    globe.enableLighting = checked;
});

Sandcastle.addToggleButton('Fog', scene.fog.enabled, function(checked) {
    scene.fog.enabled = checked;
});

var camera = viewer.camera;
camera.setView({
    destination : Cesium.Cartesian3.fromDegrees(-75.5847, 40.0397, 1000.0),
    orientation: {
        heading : -Cesium.Math.PI_OVER_TWO,
        pitch : 0.2,
        roll : 0.0
    }
});

//Sandcastle_End
    Sandcastle.finishedLoading();
}
if (typeof Cesium !== 'undefined') {
    window.startupCalled = true;
    startup(Cesium);
}
</script>
</body>
</html>
